To ATCC Valued Customers,

ATCC stands ready to support our customers’ needs during the coronavirus pandemic. Our first job is to listen to and observe what our customers need, and meet those needs with quality products and services. While we are not currently experiencing delays due to this pandemic, we expect that we could see them as the situation evolves. If you experience any issues, please contact ATCC Customer Service at For Technical questions please contact Thank you for your understanding, patience and flexibility as ATCC does everything it can to help reduce the impact of the coronavirus pandemic to our valued customers.

Influenza A virus (H1N1) (ATCC® VR-1895)

Classification: Orthomyxoviridae, Influenzavirus A  /  Product Format: frozen 0.5 mL per vial
Clarified allantoic fluid from inoculated eggs

Permits and Restrictions

View Permits

Classification Orthomyxoviridae, Influenzavirus A
Agent Influenza A virus (H1N1)
Strain A/California/08/2009 (H1N1)pdm09
Biosafety Level 2

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format frozen 0.5 mL per vial
Clarified allantoic fluid from inoculated eggs
Storage Conditions -70°C or colder
Effect on Host Hemagglutinates turkey RBC
Recommended Host SPF chicken embryonated eggs, 9-11 days old
Growth Conditions

Temperature: 35°C

Recommendations for Infection: Inoculate SPF chicken embryonated eggs (intra-allantoic) at 9-11 days old. Dilute virus in D-PBS prior to inoculation.

Incubation: 2 days at 35°C in a humidified, non-CO2 atmosphere.

Effect on Host Hemagglutinates turkey RBC
Name of Depositor D Wentworth, Centers for Disease Control and Prevention
Chain of Custody ATCC <-- CDC
Source Isolated from a human in California, USA on April 9, 2009.
Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation